含硅芳香二酐的合成及其聚酰亚胺

Synthesis of a Silicon-Containing Aromatic Dianhydride and its Polyimide

摘要: 从4-溴-l，2-二甲苯出发，经过三步反应合成了双-（3，4-苯二甲酸酐)二甲基硅烷单体，总产率为24．7％；由该单体与4，4′-二氨基二苯醚共聚合，经环化脱水反应得含硅聚酰亚胺，并对该共聚物进行了初步表征。

Abstract: Monomer bis(3,4-dicarboxyphenyl)dimethylsilane dianhydride was synthesized from 4-bromo-1,2-dimethyl-benzene and dichlorodimethylsilane through Wurtz coupling reaction , oxidization and cyclization reaction with the overall yield of 24. 7% . And bis(3,4-d